| Chris Lattner | 753dae6 | 2002-05-21 19:32:58 +0000 | [diff] [blame] | 1 | ; Basic block #2 should not be merged into BB #3! |
| Chris Lattner | 5fc509b | 2002-05-06 03:11:32 +0000 | [diff] [blame] | 2 | ; |
| Michael Gottesman | 41e4ac4 | 2013-01-31 01:04:23 +0000 | [diff] [blame] | 3 | ; RUN: opt < %s -simplifycfg -S | FileCheck %s |
| Chris Lattner | 52a7134 | 2004-05-26 23:51:29 +0000 | [diff] [blame] | 4 | |
| Tanya Lattner | 5f4b355 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 5 | declare void @foo() |
| 6 | |
| 7 | define void @cprop_test12(i32* %data) { |
| Chris Lattner | 5fc509b | 2002-05-06 03:11:32 +0000 | [diff] [blame] | 8 | bb0: |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 9 | %reg108 = load i32, i32* %data ; <i32> [#uses=2] |
| Tanya Lattner | 5f4b355 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 10 | %cond218 = icmp ne i32 %reg108, 5 ; <i1> [#uses=1] |
| 11 | br i1 %cond218, label %bb3, label %bb2 |
| 12 | bb2: ; preds = %bb0 |
| 13 | call void @foo( ) |
| Michael Gottesman | 41e4ac4 | 2013-01-31 01:04:23 +0000 | [diff] [blame] | 14 | ; CHECK: br label %bb3 |
| Tanya Lattner | 5f4b355 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 15 | br label %bb3 |
| 16 | bb3: ; preds = %bb2, %bb0 |
| 17 | %reg117 = phi i32 [ 110, %bb2 ], [ %reg108, %bb0 ] ; <i32> [#uses=1] |
| 18 | store i32 %reg117, i32* %data |
| 19 | ret void |
| Chris Lattner | 5fc509b | 2002-05-06 03:11:32 +0000 | [diff] [blame] | 20 | } |
| 21 | |